| 15 | ÷ | 4457 50 | + | 5 | ÷ | 447 10 | + | 2 | ÷ | 50 | + | X | ÷ | 200 | + | ( | 523 10 | − | X | ) | ÷ | 1000 | = | 109 250 |
| Left side of the equation = | 750 4457 | + | 50 447 | + | 1 25 | + | X | × | 1 200 | + | ( | 523 10 | − | X | ) | × | 1 1000 |
| = | 15944779 49806975 | + | 1 200 | X | + | ( | 523 10 | − | X | ) | × | 1 1000 |
15944779 49806975 | + | 1 200 | X | + | ( | 523 10 | − | X | ) | × | 1 1000 | = | 109 250 |
| Left side of the equation = | 15944779 49806975 | + | 1 200 | X | + | 523 10 | × | 1 1000 | − | X | × | 1 1000 |
| = | 15944779 49806975 | + | 1 200 | X | + | 523 10000 | − | X | × | 1 1000 |